Sealing sleeves for conical ground glass joints

For gas,liquid and vacuum-tight ground glass joints. Sealing rings on the outside of the ground sleeves provide a ensure a high vacuum-tight seal (leak rate <1 x 10-1 mbar l s-1) and prevent the ground glass joints from sticking. Easy to remove with thick rim, reusable. Practically resistant to all chemicals, . No grease necessary. Autoclavable.